20X25X6 Aprilaire Compatible 2200 / 201 MERV 13 Replacement Filter

Available In MERV Rating: 13, 8, 11. Made in the USA. Ships in 24 hours

Source reference: https://filterbuy.com/brand/aprilaire-compatible-air-filters/air-cleaner-model/aprilaire-compatible-2200-air-cleaner/